Using statistical concepts, it is found that:
- The mean practice time decreases because of the outlier.
- The median practice time does not change because of the outlier.
- The range increases because of the oulier.
<h3>What are the mean, the median and the range of a data-set?</h3>
- The mean is the sum of all observations divided by the number of observations.
- The median is the middle value, the value that separates the upper 50% from the bottom 50%.
- The range is the difference between the largest value and the smallest.
From their concepts above, we have that the mean and the range are influenced by outliers.
In this problem, the outlier is at the low end, of 15, hence:
- The mean practice time decreases because of the outlier.
- The median practice time does not change because of the outlier.
- The range increases because of the oulier.
More can be learned about statistical concepts at brainly.com/question/24732674
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144 cubic inches
Step-by-step explanation:
V=lwh
6x4=24
24x6=144
Answer:
7 items
Step-by-step explanation:
Sherry and Laura want to buy a new Ipod. Sherry has already saved $49 and will earn the rest by selling necklaces for $5 each. Laura doesn’t have any money saved, but will sell bracelets for $12 each. How many items must they sell to have the same amount saved for an Ipod?
49 + 5x = y
12x = y
7 items later
49+5(7)=84
12(7)=84
Answer:
17.5
Step-by-step explanation:
50% just means half, so 35/2 = 17.5
Answer:
176
Step-by-step explanation:
